News

  1. Animals

    Hummingbirds can clock flower refills

    Hummingbirds can keep track of when a particular flower has replenished its nectar and is worth visiting again.

    By Susan Milius
  2. Archaeology

    Early farmers took time to tame wheat

    Domesticated varieties of wheat emerged gradually in the prehistoric Near East over a roughly 3,000-year span.

    By Bruce Bower
  3. Health & Medicine

    Building a Bladder: Patients for the first time benefit from lab-grown organs

    The humble bladder is now the world's first bioengineered internal organ to work in people.

    By Carolyn Gramling
  4. Humans

    A Shot against Pandemic Flu: Vaccines would play pivotal role in response

    Mass vaccination should be the linchpin of the U.S.